一般多称彩底。系供彩色晒印用的胶片，靠被摄体和补色的关系，制成明暗倒转的像。供专业用的胶片有S型和L型。与彩色反转片相比，曝光的宽容度宽，而且彩色晒印时，可以补偿多数的色，这是优点。大尺寸放大，收费较低，一般大小，可用自动晒印机处理，价格与黑白片相等。
... negative color: 彩色负片 negative color film: 彩色度片 negative color-separation: 阴像分色分版 ...
基于24个网页-相关网页
其彩色负片分别用红、绿、蓝滤色镜及普通放大机分色放大，制成黑白正版。
The magnified black white positive separation plates of the negative color film were made with an ordinary enlarger and the filters of red, green and blue.
本文主要介绍彩色负片冲洗机的微机控制系统硬件结构、软件设计特点及一些抗干扰措施。
This article is about the microcomputer control system of colour film processor, It mainly introduces the hardware structure, software design features and some anti-disturbance methods of the system.
印片颗粒指数的测试点应根据彩色负片的感光特性确定，为正常扩印时对应正片0 .74中灰密度的负片密度点。
The film measuring point of print grain index should be made according to its light-sensitive characteristics, being the density corresponding to the 0.74 gray density of color paper when printing;
应用推荐